Home / 5,988.60-8,972.44-3,905.28

Finding the Fourth Proportional to 5,988.60, 8,972.44 and 3,905.28

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Solution

The fourth proportional to 5,988.60, 8,972.44 and 3,905.28 is: 5,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.60 : 8,972.44 = 3,905.28 : x
  2. Step 2: Convert to fraction form
    5,988.60/8,972.44 = 3,905.28/x
  3. Step 3: Cross multiply
    5,988.60x = 8,972.44 × 3,905.28
  4. Step 4: Simplify right side
    5,988.60x = 35,039,890.48
  5. Step 5: Solve for x
    x = 35,039,890.48/5,988.60
  6. Step 6: Final answer
    x = 5,851.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.